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Exam : Nortel 920-441
Title : NNCDE Contivity Security Exam


1. Which security method does Firewall User Authentication use during the authentication process?
A. IKE
B. IPSec
C. HTTPS
D. Digital Certificates
Answer: C

2. A customer is concerned about limiting factors of the Contivity firewall. What should the customer consider as the primary limiting factor of the Contivity firewall?
A. number of firewall rules
B. number of firewall session
C. maximum sustainable aggregate throughput
D. the amount of system memory related to the firewall
Answer: C

3. A designer has designed a firewall system with a DMZ. What are two types of traffic that should not be normally allowed? (Choose two.)
A. traffic initiated from the DMZ
B. traffic from the Internet to the DMZ
C. traffic from internal users to the DMZ
D. traffic from internal services to the DMZ
Answer: AC

4. A customer wants to optimize their firewall performance using firewall rule sets. How can the customer achieve this objective?
A. Firewall rules sets should be based on protocol usage.
B. There is no way to optimize firewall performance using rule sets.
C. Firewall rules should be placed such that the highest utilized rules are seen later in the rule set so to limit the number of rules the firewall needs to compare to pass the traffic.
D. Firewall rules should be placed such that the highest utilized rules are seen early in the rule set so to limit the number of rules the firewall needs to compare to pass the traffic.
Answer: D

5. A designer has recommended that rule sets on a firewall be limited to 30 rules. What rationale did the designer use to make this recommendation?
A. performance concerns
B. Contivity can't handle more rules
C. simplicity of rules to prevent rule conflicts
D. the lack of training of most Firewall Administrators
Answer: C